Using the popular candy Fun Dip to pleasure a women by inserting the dipstick into her vagina then dipping the stick into the candy power then licking the powder off the stick repeating this several times is Fundipping

"Yo man I can't believe you and jessica were Fundipping at her party" said Derek with great zeal

the sex act containing preferably 3 people in which one participant gets their anus filled with fun-dip powder another sticks their penis in the filled anus and the third sucks/licks the powder off,it is done multiple times

john-hey man want some wonkas fun-dip?
guy:no jen already asked me to go fun-dipping later
john:dont you need three people for that?
guy:yeah, wanna join?
john:yeah but i want to lick the stick